Move gpu/vulkan/x to ui/ozone/platform/x11

Change-Id: I7327eb107d4e0a34444654595bcc20a785314b5c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3445901


Reviewed-by: Peng Huang <penghuang@chromium.org>
Reviewed-by: Robert Kroeger <rjkroege@chromium.org>
Commit-Queue: Bo Liu <boliu@chromium.org>
Cr-Commit-Position: refs/heads/main@{#968362}